129664040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4831}}^1$

素因数の和:4914

約数の個数: 64

約数和(自身を含む): 323550720

約数和(自身を除く): 193886680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 4831, 5368, 6710, 9662, 13420, 19324, 24155, 26840, 38648, 48310, 53141, 96620, 106282, 193240, 212564, 265705, 294691, 425128, 531410, 589382, 1062820, 1178764, 1473455, 2125640, 2357528, 2946910, 3241601, 5893820, 6483202, 11787640, 12966404, 16208005, 25932808, 32416010, 64832020, 129664040]

約数ペア:

[(1, 129664040), (2, 64832020), (4, 32416010), (5, 25932808), (8, 16208005), (10, 12966404), (11, 11787640), (20, 6483202), (22, 5893820), (40, 3241601), (44, 2946910), (55, 2357528), (61, 2125640), (88, 1473455), (110, 1178764), (122, 1062820), (220, 589382), (244, 531410), (305, 425128), (440, 294691), (488, 265705), (610, 212564), (671, 193240), (1220, 106282), (1342, 96620), (2440, 53141), (2684, 48310), (3355, 38648), (4831, 26840), (5368, 24155), (6710, 19324), (9662, 13420)]